Top 20 NuGet reactive Packages

Monitoring extension for Obvs, using Windows Performance Counters.
Monitoring extension for Obvs, using Elastic.
Reactive Web Streams allows you to create controllers returning and consuming Rx observables, operating over WebSockets.
Qactive queryable observable providers infrastructure.
Qactive TCP provider for client and server.
SmartReactives is a .NET library that will automatically discover dependencies between expressions and variables for you.
Qactive base streaming implementation provider and protocol for client and server.
Cross Platform Reactive Bluetooth LE Plugin for Xamarin Supported Platforms Android 4.3+ iOS 7+ Windows UWP tvOS macOS
A Reactive Property for use in cross platform applications based on ReactiveUI
Tiny socket wrapper for Reactive Extensions
Simple library to send Events to Azure EventGrid
Setting up an Azure Relay Hybrid Connection have never been easier
A small validation library for WPF and Avalonia that uses a fluent interface and allows display messages near controls in GUI with MVVM
Declarative automatic state management in .NET with no boilerplate. Never deal with INotifyPropertyChanged again.
ReactorUI is .NET UI framework for building cross-platform desktop application heavily inspired to Reactjs and Flutter. This package contains the Skia backend hosted in a WinForms container.
Nethereum.RPC.Reactive, Reactive Client Subscriptions (WebSockets) and RPC Extensions for Nethereum